\makeatletter
\newcommand{\ps@permanentdamagedhead}{
  \renewcommand{\@oddhead}{`信春哥`\hfill `不挂科`}
  \renewcommand{\@oddfoot}{\hfill\thepage\hfill}     
  \renewcommand{\@evenhead}{`芙蓉姐姐`\hfill `美若天仙`}
  \renewcommand{\@evenfoot}{\@oddfoot}
}
\makeatother
